Jack went to the garden for a picnic. He saw a board in the garden with the area of the square garden mentioned as 625 sq.m. He is curious to know what will be the area of a path of width 2.5 m around it if the path is outside the garden?
(A)
169 sq. m
(B)
200 sq. m
(C)
275 sq. m
(D)
400 sq. m
Answer: (C)
Explanation:
area of the square garden=625m²
therefore side²=625m²
side=√625
side=25m
hence, the length of the side of the square garden is 25m.
therefore the length of the path=25+2.5+2.5
=25+5
=30m
total area along with the road=30×30
=900m²
hence, area of the path=900-625
=275 sq m
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